/*
 * Copyright (c) 2007-2009, Petr Panteleyev
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *    3. The name of the author may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.panteleyev.blogclient;

import java.awt.BorderLayout;
import java.io.IOException;
import java.net.URL;

import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;

import org.panteleyev.swing.OSUtil;
import org.panteleyev.swing.WindowManager;
import org.panteleyev.swing.WindowManagerEnumerator;

public class PreviewFrame<T extends UserProfile<?>> extends BloggerFrame<T> {
    private JFrame parentFrame;

    // UI
    private JScrollPane jScrollPane1 = new JScrollPane();
    private JPanel previewPanel = new JPanel();
    private JTextField statusText = new JTextField();
    private JEditorPane viewPane = new JEditorPane();

    /**
     * Creates new form GBPreviewDialog
     */
    public PreviewFrame(T profile, JFrame parent) {
        super(profile);
        parentFrame = parent;
        initComponents();
    }

    public JEditorPane getViewPane() {
        return viewPane;
    }

    public JTextField getStatusText() {
        return statusText;
    }

    private void initComponents() {
        createMenuBar(
            createFileMenu(),
            createProfileMenu(),
            createWindowMenu(),
            createHelpMenu()
        );

        setLayout(new BorderLayout());
        setTitle(L10N.PREVIEW_TITLE.s());

        previewPanel.setLayout(new BorderLayout());

        viewPane.setContentType("text/html");
        viewPane.setEditable(false);
        viewPane.addHyperlinkListener(new HyperlinkListener() {
            @Override
            public void hyperlinkUpdate(HyperlinkEvent evt) {
                handleHyperLinkEvent(evt);
            }
        });
        jScrollPane1.setViewportView(viewPane);

        previewPanel.add(jScrollPane1, BorderLayout.CENTER);

        getContentPane().add(previewPanel, BorderLayout.CENTER);

        statusText.setEditable(false);
        getContentPane().add(statusText, BorderLayout.SOUTH);

        setBounds(0, 0, 652, 493);
    }

    public void setContent(URL cutURL, URL fullURL) throws IOException {
        viewPane.setPage(fullURL);
    }

    protected void handleHyperLinkEvent(HyperlinkEvent evt) {
        String urlText = evt.getDescription();

        if (evt.getEventType() == HyperlinkEvent.EventType.ENTERED) {
            statusText.setText(urlText);
        } else {
            if (evt.getEventType() == HyperlinkEvent.EventType.EXITED) {
                statusText.setText("");
            } else {
                if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                    OSUtil.runBrowser(urlText);
                }
            }
        }
    }

    public static<T extends PreviewFrame<?>> PreviewFrame<?> findPreviewFrame(final Class<? extends T> what, final JFrame frame) {
        PreviewFrame<?> found = WindowManager.find(what, new WindowManagerEnumerator<PreviewFrame<?>>() {
            @Override
            public boolean frameFound(PreviewFrame<?> fr) {
                return fr.parentFrame == frame;
            }
        });

        return found;
    }
}
